在科学中，失败不是成功的对立面，而是通向成功的垫脚石。
In science, failure is not the opposite of success but a stepping stone towards it.
Who can afford to do professional work for nothing?
衣食是人们活着的时候所需要的利益，尚且要有一定的节制；埋葬是人们死后所需要的利益，为什么就单单在这里没有节制呢？
Trend-following is not such a good model. It’s simply eroded. Things change and being able to adjust is what made Mr. Simons so successful. “Statistic predictor signals erode over the next several years； it can be five years or 10 years. You have to keep coming up with new things because the market is against us. If you don’t keep getting better， you’re going to do worse.
The biggest risk is not taking any risk. In a world that is changing quickly, the only strategy that is guaranteed to fail is not taking risks.